mirror of https://github.com/ansible/ansible.git
Contributing lib/ansible/modules/network/cloudengine/ce_vrf_interface.py module to manage HUAWEI data center CloudEngine (#22079)
* add ce_vrf_interface.py * metadata_version update * fix code review issues * fix ci_verified * tab to spacepull/24799/head
QijunPan
8 years ago
committed by
John R Barker
parent
cb75f2a43d
commit
a8475f6ef5
@ -0,0 +1,516 @@
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#!/usr/bin/python
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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ANSIBLE_METADATA = {'status': ['preview'],
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'supported_by': 'community',
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'metadata_version': '1.0'}
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DOCUMENTATION = '''
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---
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module: ce_vrf_interface
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version_added: "2.4"
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short_description: Manages interface specific VPN configuration on HUAWEI CloudEngine switches.
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description:
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- Manages interface specific VPN configuration of HUAWEI CloudEngine switches.
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author: Zhijin Zhou (@CloudEngine-Ansible)
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notes:
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- Ensure that a VPN instance has been created and the IPv4 address family has been enabled for the VPN instance.
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options:
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vrf:
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description:
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- VPN instance, the length of vrf name is 1 ~ 31, i.e. "test", but can not be C(_public_).
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required: true
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vpn_interface:
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description:
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- An interface that can binding VPN instance, i.e. 40GE1/0/22, Vlanif10.
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Must be fully qualified interface name.
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Interface types, such as 10GE, 40GE, 100GE, LoopBack, MEth, Tunnel, Vlanif....
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required: true
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state:
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description:
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- Manage the state of the resource.
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required: false
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choices: ['present','absent']
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default: present
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'''
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EXAMPLES = '''
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- name: VRF interface test
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hosts: cloudengine
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connection: local
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gather_facts: no
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vars:
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cli:
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host: "{{ inventory_hostname }}"
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port: "{{ ansible_ssh_port }}"
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username: "{{ username }}"
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password: "{{ password }}"
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transport: cli
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tasks:
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- name: "Configure a VPN instance for the interface"
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ce_vrf_interface:
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vpn_interface: 40GE1/0/2
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vrf: test
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state: present
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provider: "{{ cli }}"
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- name: "Disable the association between a VPN instance and an interface"
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ce_vrf_interface:
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vpn_interface: 40GE1/0/2
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vrf: test
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state: absent
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provider: "{{ cli }}"
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'''
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RETURN = '''
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proposed:
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description: k/v pairs of parameters passed into module
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returned: verbose mode
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type: dict
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sample: {
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"state": "present",
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"vpn_interface": "40GE2/0/17",
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"vrf": "jss"
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}
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existing:
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description: k/v pairs of existing attributes on the interface
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returned: verbose mode
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type: dict
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sample: {
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"vpn_interface": "40GE2/0/17",
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"vrf": null
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}
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end_state:
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description: k/v pairs of end attributes on the interface
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returned: verbose mode
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type: dict
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sample: {
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"vpn_interface": "40GE2/0/17",
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"vrf": "jss"
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}
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updates:
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description: command list sent to the device
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returned: always
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type: list
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sample: [
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"ip binding vpn-instance jss",
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]
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changed:
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description: check to see if a change was made on the device
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returned: always
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type: boolean
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sample: true
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'''
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from xml.etree import ElementTree
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.ce import ce_argument_spec, get_nc_config, set_nc_config
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CE_NC_GET_VRF = """
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<filter type="subtree">
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<l3vpn xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<l3vpncomm>
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<l3vpnInstances>
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<l3vpnInstance>
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<vrfName>%s</vrfName>
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</l3vpnInstance>
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</l3vpnInstances>
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</l3vpncomm>
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</l3vpn>
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</filter>
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"""
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CE_NC_GET_VRF_INTERFACE = """
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<filter type="subtree">
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<l3vpn xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<l3vpncomm>
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<l3vpnInstances>
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<l3vpnInstance>
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<vrfName></vrfName>
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<l3vpnIfs>
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<l3vpnIf>
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<ifName></ifName>
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</l3vpnIf>
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</l3vpnIfs>
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</l3vpnInstance>
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</l3vpnInstances>
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</l3vpncomm>
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</l3vpn>
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</filter>
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"""
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CE_NC_MERGE_VRF_INTERFACE = """
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<config>
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<l3vpn xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<l3vpncomm>
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<l3vpnInstances>
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<l3vpnInstance>
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<vrfName>%s</vrfName>
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<l3vpnIfs>
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<l3vpnIf operation="merge">
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<ifName>%s</ifName>
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</l3vpnIf>
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</l3vpnIfs>
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</l3vpnInstance>
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</l3vpnInstances>
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</l3vpncomm>
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</l3vpn>
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</config>
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"""
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CE_NC_GET_INTF = """
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<filter type="subtree">
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<ifm xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<interfaces>
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<interface>
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<ifName>%s</ifName>
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<isL2SwitchPort></isL2SwitchPort>
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</interface>
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</interfaces>
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</ifm>
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</filter>
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"""
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CE_NC_DEL_INTF_VPN = """
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<config>
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<l3vpn xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
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<l3vpncomm>
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<l3vpnInstances>
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<l3vpnInstance>
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<vrfName>%s</vrfName>
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<l3vpnIfs>
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<l3vpnIf operation="delete">
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<ifName>%s</ifName>
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</l3vpnIf>
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</l3vpnIfs>
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</l3vpnInstance>
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</l3vpnInstances>
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</l3vpncomm>
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</l3vpn>
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</config>
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"""
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def get_interface_type(interface):
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"""Gets the type of interface, such as 10GE, ETH-TRUNK, VLANIF..."""
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if interface is None:
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return None
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iftype = None
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if interface.upper().startswith('GE'):
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iftype = 'ge'
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elif interface.upper().startswith('10GE'):
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iftype = '10ge'
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elif interface.upper().startswith('25GE'):
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iftype = '25ge'
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elif interface.upper().startswith('4X10GE'):
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iftype = '4x10ge'
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elif interface.upper().startswith('40GE'):
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iftype = '40ge'
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elif interface.upper().startswith('100GE'):
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iftype = '100ge'
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elif interface.upper().startswith('VLANIF'):
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iftype = 'vlanif'
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elif interface.upper().startswith('LOOPBACK'):
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iftype = 'loopback'
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elif interface.upper().startswith('METH'):
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iftype = 'meth'
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elif interface.upper().startswith('ETH-TRUNK'):
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iftype = 'eth-trunk'
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elif interface.upper().startswith('VBDIF'):
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iftype = 'vbdif'
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elif interface.upper().startswith('NVE'):
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iftype = 'nve'
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elif interface.upper().startswith('TUNNEL'):
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iftype = 'tunnel'
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elif interface.upper().startswith('ETHERNET'):
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iftype = 'ethernet'
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elif interface.upper().startswith('FCOE-PORT'):
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iftype = 'fcoe-port'
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elif interface.upper().startswith('FABRIC-PORT'):
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iftype = 'fabric-port'
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elif interface.upper().startswith('STACK-PORT'):
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iftype = 'stack-Port'
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elif interface.upper().startswith('NULL'):
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iftype = 'null'
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else:
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return None
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return iftype.lower()
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class VrfInterface(object):
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"""Manange vpn instance"""
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def __init__(self, argument_spec):
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self.spec = argument_spec
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self.module = None
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self.init_module()
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# vpn instance info
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self.vrf = self.module.params['vrf']
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self.vpn_interface = self.module.params['vpn_interface']
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self.vpn_interface = self.vpn_interface.upper().replace(' ', '')
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self.state = self.module.params['state']
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self.intf_info = dict()
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self.intf_info['isL2SwitchPort'] = None
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self.intf_info['vrfName'] = None
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self.conf_exist = False
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# state
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self.changed = False
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self.updates_cmd = list()
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self.results = dict()
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self.proposed = dict()
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self.existing = dict()
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self.end_state = dict()
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def init_module(self):
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"""init_module"""
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required_one_of = [("vrf", "vpn_interface")]
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self.module = AnsibleModule(
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argument_spec=self.spec, required_one_of=required_one_of, supports_check_mode=True)
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def check_response(self, xml_str, xml_name):
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"""Check if response message is already succeed."""
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if "<ok/>" not in xml_str:
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self.module.fail_json(msg='Error: %s failed.' % xml_name)
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def get_update_cmd(self):
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""" get updated command"""
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if self.conf_exist:
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return
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if self.state == 'absent':
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self.updates_cmd.append(
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"undo ip binding vpn-instance %s" % self.vrf)
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return
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if self.vrf != self.intf_info['vrfName']:
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self.updates_cmd.append("ip binding vpn-instance %s" % self.vrf)
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return
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def check_params(self):
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"""Check all input params"""
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if not self.is_vrf_exist():
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self.module.fail_json(
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msg='Error: The VPN instance is not existed.')
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if self.state == 'absent':
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if self.vrf != self.intf_info['vrfName']:
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self.module.fail_json(
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msg='Error: The VPN instance is not bound to the interface.')
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if self.intf_info['isL2SwitchPort'] == 'true':
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self.module.fail_json(
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msg='Error: L2Switch Port can not binding a VPN instance.')
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# interface type check
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if self.vpn_interface:
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intf_type = get_interface_type(self.vpn_interface)
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if not intf_type:
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self.module.fail_json(
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msg='Error: interface name of %s'
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' is error.' % self.vpn_interface)
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# vrf check
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if self.vrf == '_public_':
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self.module.fail_json(
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msg='Error: The vrf name _public_ is reserved.')
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if len(self.vrf) < 1 or len(self.vrf) > 31:
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self.module.fail_json(
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msg='Error: The vrf name length must be between 1 and 31.')
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def get_interface_vpn_name(self, vpninfo, vpn_name):
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""" get vpn instance name"""
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l3vpn_if = vpninfo.findall("l3vpnIf")
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for l3vpn_ifinfo in l3vpn_if:
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for ele in l3vpn_ifinfo:
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if ele.tag in ['ifName']:
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if ele.text == self.vpn_interface:
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self.intf_info['vrfName'] = vpn_name
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def get_interface_vpn(self):
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""" get the VPN instance associated with the interface"""
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xml_str = CE_NC_GET_VRF_INTERFACE
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con_obj = get_nc_config(self.module, xml_str)
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if "<data/>" in con_obj:
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return
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xml_str = con_obj.replace('\r', '').replace('\n', '').\
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replace('xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"', "").\
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replace('xmlns="http://www.huawei.com/netconf/vrp"', "")
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# get global vrf interface info
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root = ElementTree.fromstring(xml_str)
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vpns = root.findall(
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"data/l3vpn/l3vpncomm/l3vpnInstances/l3vpnInstance")
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if vpns:
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for vpnele in vpns:
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vpn_name = None
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for vpninfo in vpnele:
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if vpninfo.tag == 'vrfName':
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vpn_name = vpninfo.text
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if vpninfo.tag == 'l3vpnIfs':
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self.get_interface_vpn_name(vpninfo, vpn_name)
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return
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def is_vrf_exist(self):
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||||||
|
""" judge whether the VPN instance is existed"""
|
||||||
|
|
||||||
|
conf_str = CE_NC_GET_VRF % self.vrf
|
||||||
|
con_obj = get_nc_config(self.module, conf_str)
|
||||||
|
if "<data/>" in con_obj:
|
||||||
|
return False
|
||||||
|
|
||||||
|
return True
|
||||||
|
|
||||||
|
def get_intf_conf_info(self):
|
||||||
|
""" get related configuration of the interface"""
|
||||||
|
|
||||||
|
conf_str = CE_NC_GET_INTF % self.vpn_interface
|
||||||
|
con_obj = get_nc_config(self.module, conf_str)
|
||||||
|
if "<data/>" in con_obj:
|
||||||
|
return
|
||||||
|
|
||||||
|
# get interface base info
|
||||||
|
xml_str = con_obj.replace('\r', '').replace('\n', '').\
|
||||||
|
replace('xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"', "").\
|
||||||
|
replace('xmlns="http://www.huawei.com/netconf/vrp"', "")
|
||||||
|
|
||||||
|
root = ElementTree.fromstring(xml_str)
|
||||||
|
interface = root.find("data/ifm/interfaces/interface")
|
||||||
|
if interface:
|
||||||
|
for eles in interface:
|
||||||
|
if eles.tag in ["isL2SwitchPort"]:
|
||||||
|
self.intf_info[eles.tag] = eles.text
|
||||||
|
|
||||||
|
self.get_interface_vpn()
|
||||||
|
return
|
||||||
|
|
||||||
|
def get_existing(self):
|
||||||
|
"""get existing config"""
|
||||||
|
|
||||||
|
self.existing = dict(vrf=self.intf_info['vrfName'],
|
||||||
|
vpn_interface=self.vpn_interface)
|
||||||
|
|
||||||
|
def get_proposed(self):
|
||||||
|
"""get_proposed"""
|
||||||
|
|
||||||
|
self.proposed = dict(vrf=self.vrf,
|
||||||
|
vpn_interface=self.vpn_interface,
|
||||||
|
state=self.state)
|
||||||
|
|
||||||
|
def get_end_state(self):
|
||||||
|
"""get_end_state"""
|
||||||
|
|
||||||
|
self.intf_info['vrfName'] = None
|
||||||
|
self.get_intf_conf_info()
|
||||||
|
|
||||||
|
self.end_state = dict(vrf=self.intf_info['vrfName'],
|
||||||
|
vpn_interface=self.vpn_interface)
|
||||||
|
|
||||||
|
def show_result(self):
|
||||||
|
""" show result"""
|
||||||
|
|
||||||
|
self.results['changed'] = self.changed
|
||||||
|
self.results['proposed'] = self.proposed
|
||||||
|
self.results['existing'] = self.existing
|
||||||
|
self.results['end_state'] = self.end_state
|
||||||
|
if self.changed:
|
||||||
|
self.results['updates'] = self.updates_cmd
|
||||||
|
else:
|
||||||
|
self.results['updates'] = list()
|
||||||
|
|
||||||
|
self.module.exit_json(**self.results)
|
||||||
|
|
||||||
|
def judge_if_config_exist(self):
|
||||||
|
""" judge whether configuration has existed"""
|
||||||
|
|
||||||
|
if self.state == 'absent':
|
||||||
|
return False
|
||||||
|
|
||||||
|
delta = set(self.proposed.items()).difference(
|
||||||
|
self.existing.items())
|
||||||
|
delta = dict(delta)
|
||||||
|
if len(delta) == 1 and delta['state']:
|
||||||
|
return True
|
||||||
|
|
||||||
|
return False
|
||||||
|
|
||||||
|
def config_interface_vrf(self):
|
||||||
|
""" configure VPN instance of the interface"""
|
||||||
|
|
||||||
|
if not self.conf_exist and self.state == 'present':
|
||||||
|
|
||||||
|
xml_str = CE_NC_MERGE_VRF_INTERFACE % (
|
||||||
|
self.vrf, self.vpn_interface)
|
||||||
|
ret_xml = set_nc_config(self.module, xml_str)
|
||||||
|
self.check_response(ret_xml, "VRF_INTERFACE_CONFIG")
|
||||||
|
self.changed = True
|
||||||
|
elif self.state == 'absent':
|
||||||
|
xml_str = CE_NC_DEL_INTF_VPN % (self.vrf, self.vpn_interface)
|
||||||
|
ret_xml = set_nc_config(self.module, xml_str)
|
||||||
|
self.check_response(ret_xml, "DEL_VRF_INTERFACE_CONFIG")
|
||||||
|
self.changed = True
|
||||||
|
|
||||||
|
def work(self):
|
||||||
|
"""excute task"""
|
||||||
|
|
||||||
|
self.get_intf_conf_info()
|
||||||
|
self.check_params()
|
||||||
|
self.get_existing()
|
||||||
|
self.get_proposed()
|
||||||
|
self.conf_exist = self.judge_if_config_exist()
|
||||||
|
|
||||||
|
self.config_interface_vrf()
|
||||||
|
|
||||||
|
self.get_update_cmd()
|
||||||
|
self.get_end_state()
|
||||||
|
self.show_result()
|
||||||
|
|
||||||
|
|
||||||
|
def main():
|
||||||
|
"""main"""
|
||||||
|
|
||||||
|
argument_spec = dict(
|
||||||
|
vrf=dict(required=True, type='str'),
|
||||||
|
vpn_interface=dict(required=True, type='str'),
|
||||||
|
state=dict(choices=['absent', 'present'],
|
||||||
|
default='present', required=False),
|
||||||
|
)
|
||||||
|
argument_spec.update(ce_argument_spec)
|
||||||
|
vrf_intf = VrfInterface(argument_spec)
|
||||||
|
vrf_intf.work()
|
||||||
|
|
||||||
|
if __name__ == '__main__':
|
||||||
|
main()
|
||||||
Loading…
Reference in New Issue